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Finding the Fourth Proportional to 57,804.62, 86,705.72 and 26,639.87

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Solution

The fourth proportional to 57,804.62, 86,705.72 and 26,639.87 is: 39,959.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,804.62 : 86,705.72 = 26,639.87 : x
  2. Step 2: Convert to fraction form
    57,804.62/86,705.72 = 26,639.87/x
  3. Step 3: Cross multiply
    57,804.62x = 86,705.72 × 26,639.87
  4. Step 4: Simplify right side
    57,804.62x = 2,309,828,542.33
  5. Step 5: Solve for x
    x = 2,309,828,542.33/57,804.62
  6. Step 6: Final answer
    x = 39,959.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.